Which it sounds like i might need 3 different thin sets if the glass subways need different thin set.
Thinset for porcelain tile over ditra.
Plan on going slowly very slowly.
It can be installed over a variety of substrates including plywood osb existing vinyl structural planks and concrete.
Schluter has tested their modified thin set to make sure it works properly and will dry within a reasonable amount of time.
In general we don t recommend the use of modified thin set mortar to set tile over the membranes because these mortars must air dry to cure properly.
When sandwiched between two impervious layers such as ditra and porcelain tile drying takes place very slowly through the open grout joints.
I hope to use the allset thin set there if i can find it locally.
Some modified thin sets will require a greatly extended drying time.
I recommend you use unmodified for porcelain tiles over ditra on the floor.
Here is the problem ditra is a waterproof membrane.
Dampen the ditra is approved for use with ceramic porcelain and natural stone tile.
It is important to use a very good quality polymer modified thinset to install the ditra on the sub floor.
Thinset for laying porcelain tile on ditra with your tile size and layout i d use an unmodified.
Some modified thin sets will dry properly between ditra and porcelain tile but not all will.
Keep the edges of the tile clean.
Suggestions on thin set would be appreciated.
Enjoy the videos and music you love upload original content and share it all with friends family and the world on youtube.
From lowes use laticrete s megabond equivalent to 317 thinset from home depot use their custom blend.
I also will be tiling the bathroom floor with a 6 24 porcelain over shuluter ditra.